What do you do with your gum when it's all chewed up?

Parents, students, and educators: before calling in the haz-mat team to remove old chewed-up gum from under the school desks and chairs, consider an alternative use. Think recycling! Some students in the Netherlands created a 15ft. tall sculpture out of used gum. Freshly-chewed apparently works best. How long will it last? "The work will stick around as gum can take five years to biodegrade."